CN106644289A - Nuclear power station in-service inspection hydrostatic test temporary device and usage method thereof - Google Patents
Nuclear power station in-service inspection hydrostatic test temporary device and usage method thereof Download PDFInfo
- Publication number
- CN106644289A CN106644289A CN201710098366.0A CN201710098366A CN106644289A CN 106644289 A CN106644289 A CN 106644289A CN 201710098366 A CN201710098366 A CN 201710098366A CN 106644289 A CN106644289 A CN 106644289A
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- nuclear power
- power station
- nuclear
- water injection
- flange
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- 238000012360 testing method Methods 0.000 title claims abstract description 58
- 238000007689 inspection Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000002706 hydrostatic effect Effects 0.000 title abstract 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 102
- 239000007787 solid Substances 0.000 claims abstract description 41
- 238000002347 injection Methods 0.000 claims abstract description 33
- 239000007924 injection Substances 0.000 claims abstract description 33
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 238000003466 welding Methods 0.000 claims description 14
- 239000004927 clay Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 241000538562 Banjos Species 0.000 claims description 7
- 230000004308 accommodation Effects 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 229910000679 solder Inorganic materials 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000005520 cutting process Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 235000012745 brilliant blue FCF Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The present invention relates to a nuclear power station in-service inspection hydrostatic test temporary device and a usage method thereof. The device comprises a solid flange in sealing connection with a pipeline with a flange or a container in a pressurized water reactor nuclear power unit pressure-bearing device, a water injection hole arranged in the solid flange and extended from the side surface to the circumferential surface and pipe nozzle sealingly arranged on the circumferential surface of the solid flange and communicated with the water injection hole, wherein the edge of the solid flange is provided with a plurality of fixing holes forming a ring. Through adoption of the special structure design, the nuclear power station in-service inspection hydrostatic test temporary device and the usage method thereof can connect the pipeline with the flange, the container and a water injection pipe in the pressurized water reactor nuclear power unit pressure-bearing device to change the original hydrostatic test scheme water injection position and allow the original hydrostatic test scheme water injection position to be changed on the outer side surface of the pipeline or the container flange without cutting the original small pipe line so as to ensure the structure integrity of the original system and cancel the ray flaw detection work demand.
Description
Technical field
The invention belongs to nuclear power station detection field, is related to a kind of test makeshift device, and in particular to a kind of nuclear power station is in-service
Check water pressure test makeshift device and its using method.
Background technology
According to France AFCEN inservice inspection specification RSE-M2010 specifications, State Bureau of Nuclear Safety's HAD103/07 inservice inspections
Directive/guide, the compacted clay liners that the country has run（Such as M310 types, CPR1000 types）Nuclear pressure components are during periodically identifying again
Water pressure test inspection requirements is enforced, to verify the integrality of Nuclear pressure components structure.
The Nuclear pressure components water pressure test is required according to the test pressure higher than equipment maximum design pressure after equipment blocking, right
Equipment carries out water filling and suppresses, and test pressure is generally 1.2 times of maximum design pressure（1.2Ps）.After pressure peaks,
Maintain a period of time（About 30 minutes）, visually inspect whether equipment leaks, deforms by nondestructive personnel, so as to judge to set
It is standby whether in a safe condition, if to may continue to operation.Because nuclear power station considers water in initial design process, not
The border isolation requirement of pressure test, therefore corresponding water pressure test interface is not reserved in case inservice inspection personnel carry out water filling and suppress,
Therefore during in-service overhaul, it usually needs a makeshift device is designed, changes and installed in original system, to carry out hydraulic pressure
Test, this is the technical problem that all power plant all must face.
At present, domestic compacted clay liners water pressure test scheme is to fall former demounting flange, loads onto an identical
Blind plate, blocks pipeline or container side, then chooses the little pipeline being connected with pipeline or the little pipeline being connected with equipment（DN25
Or the little pipelines of DN15）, cut off, at the place of cutting off, waterflood-transmission line of burn-oning again carries out bulge test.This testing program core exists
In the little pipeline of the DN25 that must select an original system or 15, water pressure test makeshift device of burn-oning is cut off, carried out water filling
Suppress, after the water pressure test recovers, little pipeline of burn-oning again, and manufacture and design specification according to RCC-M, radiographic inspection is performed, to examine
Test welding quality, it is ensured that the structural intergrity of original system, therefore whole testing program is related to multiple welding and flaw detection work,
There will naturally be inevitable defect and personnel irradiate risk by mistake.
The content of the invention
The invention aims to overcome the deficiencies in the prior art and provide a kind of in-Service Inspection of Nuclear Power Station water pressure test and face
When device.
To reach above-mentioned purpose, the technical solution adopted in the present invention is：A kind of in-Service Inspection of Nuclear Power Station water pressure test is faced
When device, it includes the solid flange being tightly connected with the flanged pipeline of compacted clay liners Nuclear pressure components or container, opens
The water injection hole of its side face is extended in the solid flange and by its side and sealing is arranged at the solid flange week
The ozzle being connected on face and with the water injection hole, the solid flange edge offers the multiple fixing holes for forming a circle.
Optimally, the ozzle is connected by bolt banjo fixing butt jointing with water injection pipe.
Further, the bolt banjo fixing butt jointing is by the first outer bolt portion and the water filling being engaged with the ozzle
The second outer bolt portion that pipe is engaged and the connection being arranged between the first outer bolt portion and the second outer bolt portion
Piece is constituted.
Optimally, the ozzle is mutually sealed with the solid flange and realized by following steps：
（a1）The ozzle for opening up grooved hole is placed on the side of the solid flange, the slotted eye is made with the water filling
Hole is corresponding；Accommodation space is formed between the ozzle and the solid flange；
（a2）Built-up welding welding is carried out to the solid flange and the ozzle so that solder fills up the accommodation space；
（a3）Slotted eye described in Jing to the water injection hole direction drills so that the slotted eye is connected with the water injection hole.
Further, the material of the solid flange and the ozzle is Z2CND1812 low-alloy stainless steels, the weldering
The material of material is INCOLE 52.
A further object of the present invention is to provide a kind of use of above-mentioned in-Service Inspection of Nuclear Power Station water pressure test makeshift device
Method, it is comprised the following steps：
（a）Compacted clay liners Nuclear pressure components to be tested are isolated so as to offline；
（b）The flanged (FLGD) pipeline of the Nuclear pressure components is chosen as the water filling port to its internal water flooding；
（c）The solid flange is connected with the flange seal of the Nuclear pressure components by the fixing hole so that nuclear power station
Inservice inspection water pressure test makeshift device is arranged on the pipeline of the Nuclear pressure components,
（d）Successively ozzle described in Jing and the water injection hole inject water into and carry out in the Nuclear pressure components water filling and suppress；
（e）Visually inspect whether the Nuclear pressure components leak, deform, judge whether it is in a safe condition.
Optimally, it also includes step（f）Water filling is discharged；When the Nuclear pressure components are in a safe condition, by it
Recovery is reached the standard grade.
Optimally, the step（b）In, reaffirmed that the Nuclear pressure components are in barrier-like before water filling port is chosen
State, prevents it from producing interference to miscellaneous equipment in test process.
Because above-mentioned technical proposal is used, the present invention has compared with prior art following advantages：Nuclear power station of the present invention exists
Labour checks water pressure test makeshift device, by connecting compacted clay liners Nuclear pressure components using specific structure design
In flanged (FLGD) pipeline and water injection pipe, have changed original water pressure test scheme water filling port position so as to be altered to pipeline or appearance
On the lateral surface of device flange, without the need for cutting off original little pipeline, the structural intergrity of original system is maintained；Eliminate ray spy
Hinder work requirements.
Description of the drawings
Fig. 1 is the sectional view of in-Service Inspection of Nuclear Power Station water pressure test makeshift device of the present invention；
Fig. 2 is the surveys view of in-Service Inspection of Nuclear Power Station water pressure test makeshift device of the present invention；
Fig. 3 is the schematic diagram before in-Service Inspection of Nuclear Power Station water pressure test makeshift device welding of the present invention；
Fig. 4 is the schematic diagram after in-Service Inspection of Nuclear Power Station water pressure test makeshift device welding of the present invention；
Fig. 5 is the schematic diagram after in-Service Inspection of Nuclear Power Station water pressure test makeshift device punching of the present invention；
Wherein, 1, solid flange；11st, fixing hole；2nd, water filling；3rd, ozzle；31st, slotted eye；4th, bolt banjo fixing butt jointing；41st, outside first
Bolt portion；42nd, connection sheet；43rd, the second outer bolt portion；5th, water injection pipe.
Specific embodiment
The preferred embodiment of the invention is described in detail below in conjunction with accompanying drawing.
In-Service Inspection of Nuclear Power Station water pressure test makeshift device as depicted in figs. 1 and 2, it mainly includes solid flange 1, note
Water hole 2 and ozzle 3.
Solid flange 1 is tightly connected with flanged (FLGD) pipeline in compacted clay liners Nuclear pressure components or container, mainly
It is that multiple fixing holes 11 and bolt by being opened in the edge of solid flange 1 and forming a circle are attached, material is
Z2CND1812 low-alloy stainless steels；The solid flange 1 of different size can be adopted（DN100, DN200, DN300, DN400 etc.）,
So can use as standard fitting, be adapted to the standardization of the water pressure test scheme of whole power plant.Water injection hole 2 is opened in solid forme
In blue 1 and by its side（The one side opposite with Nuclear pressure components pipeline upper flange）Extend to its side face；In the present embodiment, note
2 points of water hole is two sections, and one section of side by solid flange extends to its middle part, and it is perpendicular with the side of solid flange 1；It is another
Duan Ze in the middle part of solid flange by its side face is extended to, and it is parallel with the side of solid flange 1；Water injection hole 2 it is a diameter of
20mm.The sealing of ozzle 3 is arranged on the side face of solid flange 1, and it is connected with water injection hole 2（Material is also Z2CND1812 low-alloy
Stainless steel）, for introducing water to water injection hole 2.
In the present embodiment, ozzle 3 is connected by bolt banjo fixing butt jointing 4 with water injection pipe 5, the bolt banjo fixing butt jointing 4 by
The second outer bolt portion 43 and be arranged at outside first that the first outer bolt portion 41 being engaged with ozzle 3 is engaged with water injection pipe 5
Connection sheet 42 between outer bolt portion 43 of bolt portion 41 and second is constituted.The specification of the first outer bolt portion 41 being connected with ozzle 3 is
M21, the specification of the second outer bolt portion 43 being connected with water injection pipe 5 is M23, and bolt material is 40Cr, and intensity can reach as 390MPa,
Screw thread adopts bead, improves the fatigue resistance of screw thread.
In the present embodiment, ozzle 3 is mutually sealed with solid flange 1 and realized by following steps：（a1）As shown in figure 3, will
The ozzle 3 for opening up grooved hole 31 is placed on the side of solid flange 1, makes slotted eye 31 corresponding with water injection hole 2；Under ozzle 3
End has inclined-plane（I.e. the bottom of ozzle 3 is in truncated cone-shaped）So that ozzle 3 and the formation accommodation space 32 between solid flange 1；
（a2）As shown in figure 4, carrying out built-up welding welding to solid flange 1 and ozzle 3 so that solder（INCOLE 52）Fill up accommodation space
32；（a3）As shown in figure 5, Jing slotted eyes 31 drill to the direction of water injection hole 2 so that slotted eye 31 is connected with water injection hole 2.
The using method of above-mentioned in-Service Inspection of Nuclear Power Station water pressure test makeshift device, it is comprised the following steps：
（a）Compacted clay liners Nuclear pressure components to be tested are isolated so as to offline（Refer to each valve of Nuclear pressure components
The parts such as door, instrument are closed, and do not affect the normal operation of nuclear power station miscellaneous equipment or system）；
（b）Reaffirm that the Nuclear pressure components are in isolation（Prevent it from producing to miscellaneous equipment in test process dry
Disturb）, the flanged (FLGD) pipeline of Nuclear pressure components is chosen as the water filling port to its internal water flooding（Prior art is to select a former system
The little pipeline of the DN25 of system or 15, is cut off water pressure test makeshift device of burn-oning）；
（c）Solid flange 1 is connected with the flange seal of Nuclear pressure components by fixing hole 11 so that in-Service Inspection of Nuclear Power Station water
Pressure test makeshift device is arranged on the pipeline of the Nuclear pressure components,
（d）Successively Jing ozzles 3 and water injection hole 2 inject water into and carry out in the Nuclear pressure components water filling and suppress；
（e）Visually inspect whether the Nuclear pressure components leak, deform, judge whether it is in a safe condition；
（f）Water filling is discharged；When the Nuclear pressure components are in a safe condition, restore it and reach the standard grade.
The advantage of in-Service Inspection of Nuclear Power Station water pressure test makeshift device of the present invention and its using method is as follows：（1）With tradition
Water pressure test scheme compare, only processing water injection hole 2 need to be suppressed in the solid flange 1 reinstalled, without the need for cutting off original
Have the little pipeline of pipeline or container, without the need for being cut off after welding, ray（RT）Flaw detection, will not both destroy the knot of original system
Structure integrality, can reduce again due to welding, radiographic inspection need a large amount of auxiliary works, can shorten the nuclear power station overhaul duration 1 ~
2 days；According to the compacted clay liners of a 100MW, 1 ~ 2 day reduction of erection time, 2.4 ~ 4.8 × 10 can be generated electricity6（kw·h）, about
Produce economic benefit 100 ~ 2,000,000 yuan；Without the need for welding specialty personnel and ray nondestructive personnel, for the examination of separate unit container hydraulic pressure
Test, the people h of professional human resources about 8 can be saved, therefore compare traditional water pressure test scheme, new departure significantly improves economic effect
Benefit, improves unit usage factor, possesses extraordinary application prospect；（2）Without the need for the radiographic inspection after pipe cutting, reduce and ray
The related auxiliary work of flaw detection, improves hydraulic test efficiency, the absorption of testing crew radioactive dosage is also reduced, according to list
Secondary radiographic inspection radioactive dosage is calculated, and can directly reduce the dosage that bulk test personnel absorb less 60mSV, meets radiation anti-
Shield optimization criteria；It is connected with waterflood-transmission line using the threaded banjo fixing butt jointing of high intensity, replacement is original to be welded to connect, from root
The welding and flaw detection work of raw water pressure testing program are relieved in sheet；Threaded connection reliability is high, sealing is strong, easy accessibility,
It is easy to field conduct, compared with traditional water pressure test scheme, substantially increases testing crew efficiency, shortens water pressure test work
Phase.
Above-described embodiment technology design only to illustrate the invention and feature, its object is to allow person skilled in the art
Scholar will appreciate that present disclosure and implement according to this, can not be limited the scope of the invention with this.It is all according to the present invention
Equivalence changes or modification that Spirit Essence is made, all should be included within the scope of the present invention.
Claims (8)
1. a kind of in-Service Inspection of Nuclear Power Station water pressure test makeshift device, it is characterised in that：It includes and compacted clay liners core
The solid flange that the flanged pipeline of bearing device is tightly connected（1）, be opened in the solid flange（1）It is interior and extended by its side
To the water injection hole of its side face（2）And sealing is arranged at the solid flange（1）On side face and with the water injection hole（2）It is connected
Ozzle（3）, the solid flange（1）Edge offers the multiple fixing holes for forming a circle（11）.
2. in-Service Inspection of Nuclear Power Station water pressure test makeshift device according to claim 1, it is characterised in that：The ozzle
（3）By bolt banjo fixing butt jointing（4）With water injection pipe（5）It is connected.
3. in-Service Inspection of Nuclear Power Station water pressure test makeshift device according to claim 2, it is characterised in that：The bolt pair
Joint（4）By with the ozzle（3）The first outer bolt portion being engaged（41）With the water injection pipe（5）Second for being engaged
Outer bolt portion（43）And it is arranged at the first outer bolt portion（41）With the second outer bolt portion（43）Between connection sheet
（42）Composition.
4. in-Service Inspection of Nuclear Power Station water pressure test makeshift device according to claim 1, it is characterised in that the ozzle
（3）With the solid flange（1）Mutually sealing is realized by following steps：
（a1）Grooved hole will be opened up（31）The ozzle（3）It is placed on the solid flange（1）Side on, make the slotted eye
（31）With the water injection hole（2）It is corresponding；The ozzle（3）With the solid flange（1）Between form accommodation space（32）；
（a2）To the solid flange（1）With the ozzle（3）Carry out built-up welding welding so that solder fills up the accommodation space
（32）；
（a3）Slotted eye described in Jing（31）To the water injection hole（2）Direction drills so that the slotted eye（31）With the water injection hole（2）
It is connected.
5. in-Service Inspection of Nuclear Power Station water pressure test makeshift device according to claim 4, it is characterised in that：The solid forme
It is blue（1）With the ozzle（3）Material be Z2CND1812 low-alloy stainless steels, the material of the solder is INCOLE 52.
6. in claim 1 to 5 arbitrary in-Service Inspection of Nuclear Power Station water pressure test makeshift device using method, its feature exists
In it is comprised the following steps：
（a）Compacted clay liners Nuclear pressure components to be tested are isolated so as to offline；
（b）The flanged (FLGD) pipeline of the Nuclear pressure components or container are chosen as the water filling port to its internal water flooding；
（c）By the fixing hole（11）By the solid flange（1）It is connected with the flange seal of the Nuclear pressure components so that
In-Service Inspection of Nuclear Power Station water pressure test makeshift device is arranged on the pipeline of the Nuclear pressure components or container,
（d）Ozzle described in Jing successively（3）With the water injection hole（2）Inject water into and carry out in the Nuclear pressure components water filling and suppress；
（e）Visually inspect whether the Nuclear pressure components leak, deform, judge whether it is in a safe condition.
7. the using method of in-Service Inspection of Nuclear Power Station water pressure test makeshift device according to claim 6, it is characterised in that：It
Also include step（f）Water filling is discharged；When the Nuclear pressure components are in a safe condition, restore it and reach the standard grade.
8. the using method of in-Service Inspection of Nuclear Power Station water pressure test makeshift device according to claim 6, it is characterised in that：Institute
State step（b）In, reaffirmed that the Nuclear pressure components, in isolation, prevent it from testing before water filling port is chosen
Interference is produced to miscellaneous equipment in journey.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710098366.0A CN106644289B (en) | 2017-02-23 | 2017-02-23 | Temporary device for in-service inspection hydrostatic test of nuclear power station and application method of temporary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710098366.0A CN106644289B (en) | 2017-02-23 | 2017-02-23 | Temporary device for in-service inspection hydrostatic test of nuclear power station and application method of temporary device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106644289A true CN106644289A (en) | 2017-05-10 |
| CN106644289B CN106644289B (en) | 2023-11-21 |
Family
ID=58845312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710098366.0A Active CN106644289B (en) | 2017-02-23 | 2017-02-23 | Temporary device for in-service inspection hydrostatic test of nuclear power station and application method of temporary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106644289B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532769A (en) * | 2021-07-05 | 2021-10-22 | 哈尔滨电气动力装备有限公司 | Nuclear power station nuclear main pump seal chamber water pressure experiment method |
| CN113551975A (en) * | 2021-07-29 | 2021-10-26 | 苏州热工研究院有限公司 | Sample clamping device suitable for erosion performance test, preparation method thereof and rotary disc type erosion equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1325023A (en) * | 2000-05-22 | 2001-12-05 | 巴陵石化鹰山石油化工厂 | Hydraulic test method for pressure container |
| JP2003161669A (en) * | 2001-11-28 | 2003-06-06 | Kubota Corp | External hydraulic pressure test device for connector part |
| JP2008026022A (en) * | 2006-07-18 | 2008-02-07 | Waterworks Technology Development Organization Co Ltd | Hydraulic testing device for pipe joint section and hydraulic test method using the same |
| CN101643111A (en) * | 2009-09-07 | 2010-02-10 | 天津大学 | Water injection ballast mechanism for underwater robot |
| CN203519252U (en) * | 2013-10-17 | 2014-04-02 | 西南交通大学 | Calibration apparatus for calibrating soil pressure sensor by using fluid |
| CN203672561U (en) * | 2013-11-04 | 2014-06-25 | 上海电气核电设备有限公司 | Hydraulic-pressure testing device for top cover |
| CN204961270U (en) * | 2015-08-19 | 2016-01-13 | 中核检修有限公司 | A instrument for verifying water pump leakproofness |
| CN206440431U (en) * | 2017-02-23 | 2017-08-25 | 苏州热工研究院有限公司 | A kind of in-Service Inspection of Nuclear Power Station water pressure test makeshift device |
-
2017
- 2017-02-23 CN CN201710098366.0A patent/CN106644289B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1325023A (en) * | 2000-05-22 | 2001-12-05 | 巴陵石化鹰山石油化工厂 | Hydraulic test method for pressure container |
| JP2003161669A (en) * | 2001-11-28 | 2003-06-06 | Kubota Corp | External hydraulic pressure test device for connector part |
| JP2008026022A (en) * | 2006-07-18 | 2008-02-07 | Waterworks Technology Development Organization Co Ltd | Hydraulic testing device for pipe joint section and hydraulic test method using the same |
| CN101643111A (en) * | 2009-09-07 | 2010-02-10 | 天津大学 | Water injection ballast mechanism for underwater robot |
| CN203519252U (en) * | 2013-10-17 | 2014-04-02 | 西南交通大学 | Calibration apparatus for calibrating soil pressure sensor by using fluid |
| CN203672561U (en) * | 2013-11-04 | 2014-06-25 | 上海电气核电设备有限公司 | Hydraulic-pressure testing device for top cover |
| CN204961270U (en) * | 2015-08-19 | 2016-01-13 | 中核检修有限公司 | A instrument for verifying water pump leakproofness |
| CN206440431U (en) * | 2017-02-23 | 2017-08-25 | 苏州热工研究院有限公司 | A kind of in-Service Inspection of Nuclear Power Station water pressure test makeshift device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532769A (en) * | 2021-07-05 | 2021-10-22 | 哈尔滨电气动力装备有限公司 | Nuclear power station nuclear main pump seal chamber water pressure experiment method |
| CN113551975A (en) * | 2021-07-29 | 2021-10-26 | 苏州热工研究院有限公司 | Sample clamping device suitable for erosion performance test, preparation method thereof and rotary disc type erosion equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106644289B (en) | 2023-11-21 |
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